check if key does not exists in dictionary javascript
var person={"name":"Billy","age":20}
person.hasOwnProperty("name"); // true
person.hasOwnProperty("gender"); // falsecheck if key does not exists in dictionary javascript
var person={"name":"Billy","age":20}
person.hasOwnProperty("name"); // true
person.hasOwnProperty("gender"); // falseCopyright © 2021 Codeinu
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